<!DOCTYPE html>
<html>
    <head>
        <style>
            .highlight {
                background-color: red;
                color: #fff;
            }
        </style>
    </head>
    <body>
        <h2>JavaScript Frameworks</h2>
        <ul>
            <li class="jquery">jQuery</li>
            <li class="react">React</li>
            <li class="vue">Vue.js</li>
            <li class="angular">Angular</li>
            <li class="lit">Lit</li>
        </ul>

        <button id="highlight">Highlight except Vue.js</button>
        <button id="highlight-jquery">Highlight jQuery</button>

        <button id="remove-styles">Remove Styles</button>

        <script src="utils.js"></script>
        <script src="main.js"></script>
    </body>
</html>
